The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 01, 2025

Filed:

Apr. 15, 2024
Applicant:

Chongqing Yuhua New Materials Technology Co., Ltd., Chongqing, CN;

Inventors:

Xiaohua Wang, Chongqing, CN;

Shan Xu, Chongqing, CN;

Zhou Zhang, Chongqing, CN;

Jianhua Zhou, Chongqing, CN;

Liang Ma, Chongqing, CN;

Xiaogui Guo, Chongqing, CN;

Xiaochen Qian, Chongqing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/128 (2006.01); E21B 33/129 (2006.01); E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
E21B 33/128 (2013.01); E21B 33/129 (2013.01); E21B 43/26 (2013.01); E21B 2200/08 (2020.05);
Abstract

The present disclosure provides an all-metal dissolvable ball seat for self-compensating fracturing. The ball seat includes a tie rod, an expansion head, a sealing tube, a cone and a slip. The upper end of the tie rod is threadedly connected with a seating tool, and the lower end of the tie rod is connected with an internal thread of a base. The tie rod is located in the center of the shaft, and the locking joint, expansion head, sealing tube, cone, and slip are sequentially set on the tie rod.


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